Cosmic Cliffs Nebula Background
Reverie Dawn
SEEING: 0.72 arcsec
SQM: 21.9
Telescope Optical Lens Barrel
APO TRIPLET FPL-53 · f/4.8 · 610mm
ROTATOR: 0° · MAG: 7.9
PINWHEEL GALAXY
PINWHEEL GALAXY (M101)
LIVE FEEDMAG 7.9RA 14h 03m 13sDEC +54° 20′ 57″
PRICING PLANS
STARTER
$3/mo
  • ✓ Messier 1–110 DSOs
  • ✓ 3-layer cloud model
  • ✓ Keplerian ephemeris
  • ✓ Sensor rotator framing
ORBIT
$10/mo
  • ✓ Everything in Starter
  • ✓ Live seeing & SQM feeds
  • ✓ WebSerial mount slewing
  • ✓ Multi-target queuing
COSMOS
$25/mo
  • ✓ Everything in Orbit
  • ✓ Multi-observatory sync
  • ✓ RAW FITS telemetry
  • ✓ Priority telescope control

Capture the Cosmos in
Unprecedented Clarity.

Remote access to world-class deep-space observatories. Curated celestial targets and seamless integration.

CURRENT TARGETS
3D INSTRUMENT CHASSIS REVEAL

Simulate Optics, Sensor FOV & Sky Blur.

As you scroll into the deck, the 3D chassis aligns from pitch angle to zero. Test focal ratios, sensor crop factors, and live seeing degradation directly below.

REVERIE DAWN · TELESCOPE & SENSOR CHASSIS
INTERACTIVE CELESTIAL ASTROMETRY & SENSOR FRAMING

Every millimeter of glass, calibrated to the arcminute.

Select your telescope optical train and camera sensor below. Watch the true field of view, image scale, and noise floor adapt in real time across the deep sky.

DEEP-SKY TARGETANDROMEDA
OPTICAL SYSTEM & SENSORf/4.9 FAST
SENSOR POSITION ANGLE
35°
STACK INTEGRATION TIME2.0h Total Master Stack
0s (Noisy RAW)1.0h2.0h3.0h4.0h (Deep SNR)
Andromeda Galaxy
23.5 × 15.7 mm (diag 28.3mm)
N↑
M31 · Andromeda Galaxy
RA 00h 42m 44s · DEC +41° 16′ 09″
FOV: 5.39° × 3.60°
AUTOGUIDE:RA 0.38″ / DEC 0.32″ (RMS 0.50″)
3.10″/px· 250mm
OPTICAL FRAMING CALL
OPTIMAL FIELD COVERAGE

Complete target structure captured with ample background margin for gradient calibration.

SAMPLING RESOLUTION
3.10″/px
Undersampled
RECOMMENDED SUB
120s
Broadband UV/IR Cut
DEEP-SKY INTEL

Light that left the Andromeda disk 2.5 million years ago, when early hominids were fashioning the first stone tools.

THE FOUR PILLARS OF PRECISION

How Reverie Dawn guarantees your night is never wasted.

Scroll through the four deterministic engines powering every calculation. Every score is backed by transparent physics and raw receipts.

01CLOSED-FORM ASTRODYNAMICS

Zero-Guess Keplerian Trajectories

Deterministic J2000 spherical trigonometry runs in <2ms.

Unlike generic weather or astronomy apps that rely on rounded lookup tables or black-box predictive models, Reverie Dawn executes closed-form hour angle (cos H₀) and transit mathematics directly on your client hardware.

  • Sub-millisecond transit & altitude curve calculations
  • Exact lunar Rayleigh phase angle & angular separation
  • Zero server latency — 100% offline-capable offline PWA
CALCULATION SPEED:1.4ms DETERMINISTIC
023-LAYER ATMOSPHERE

High Cirrus Detection vs. Low Dew Fog

A 10% cloud forecast means nothing if it's ice crystals at 10,000m.

Casual weather forecasts group all clouds into one percentage. At night, high-altitude cirrus ice crystals act as diffuse diffraction gratings, bloating star profiles and destroying OIII/H-alpha narrowband contrast without showing up on standard radars.

  • Independent Low, Mid, and High-altitude cloud layers from MET Norway
  • Dynamic radiation cooling & dew-point margin alerts
  • Upper-tropospheric jet stream seeing degradation alerts
ATMOSPHERIC RESOLUTION:3 VERTICAL TIERS
03BOTTLENECK ENGINE

Dynamic Single-Factor Constraint

Stop guessing what ruined your sub-exposure. Isolate the true limiter.

Astrophotography signal-to-noise ratio is always constrained by its single worst variable. Our Bottleneck Engine dynamically calculates whether tonight is limited by lunar wash, sky brightness (Bortle), wind gusts, or airmass extinction.

  • Instant GO / MARGINAL / NO-GO session recommendations
  • Automated dual-narrowband vs. broadband optical filter prescription
  • Dark-sky target redirection away from lunar glare lobes
FILTER SENSITIVITY:3nm OPTIMAL BANDPASS
04HARDWARE AUTOMATION

Direct WebSerial Equatorial Mount Bridge

Slew and align your telescope directly from your browser.

No native ASCOM or INDI drivers to compile. Reverie Dawn connects directly to ZWO AM5, Sky-Watcher, and iOptron mounts via high-speed WebSerial, streaming target RA/Dec coordinates and camera field-of-view rotator angles in real time.

  • Zero-install browser WebSerial direct mount telemetry
  • Precision 360° sensor framing rotator angle computation
  • Target transit Meridian flip alarms with safety buffer
BROWSER TELEMETRY:115200 BAUD DIRECT
REAL-TIME INSTRUMENT CONSOLE
ACTIVE PHASE: 01 / 04
J2000 SPHERICAL TRIGONOMETRY RECEIPTPASSED · 1.4ms
cos(H₀) = (sin(h₀) - sin(φ)sin(δ)) / (cos(φ)cos(δ))
Transit altitude: h_max = 90° - |φ - δ| = 78.4°
Airmass at peak: X(z) = sec(z) - 0.0018167(sec(z) - 1) = 1.02
Moon Separation
124.8°
Rayleigh Glare: < 2%
Astro Darkness
6h 42m
Sun < -18° horizon
VERDICT: Deterministic calculation validates optimal deep sky SNR window from 22:15 to 04:58 UTC.
PHASE 1 OF 4 ACTIVE
PLANNED WITH REVERIE DAWN

Opposing Parallax Deep-Sky Gallery.

Every deep-sky target planned with the exact ephemeris transit, lunar separation, and 3-layer cloud prediction verified before a single sub-exposure was triggered.

Andromeda Galaxy
MESSIER 31 · NGC 224Bortle 3 (SQM 21.7)

Andromeda Galaxy

Andromeda

Barred Spiral Galaxy · 2.537 Million ly

Rig Optics:480mm f/4.8 APO
Integration:5h 20m (64 × 300s)
Filter Prescription:Broadband L-RGB + 3nm Hα
EXPLORE EPHEMERIS & TRANSIT
Whirlpool Galaxy
MESSIER 51 · NGC 5194Bortle 4 (SQM 21.2)

Whirlpool Galaxy

Canes Venatici

Grand Design Spiral · 23.5 Million ly

Rig Optics:910mm f/7 RC
Integration:6h 45m (81 × 300s)
Filter Prescription:Optolong L-Pro + Dual-Band
EXPLORE EPHEMERIS & TRANSIT
Great Orion Nebula
MESSIER 42 · NGC 1976Bortle 5 (SQM 20.4)

Great Orion Nebula

Orion

Diffuse Emission Nebula · 1,344 Light Years

Rig Optics:350mm f/3.6 Hyperstar
Integration:3h 30m (210 × 60s)
Filter Prescription:Dual Narrowband 3nm Ha/OIII
EXPLORE EPHEMERIS & TRANSIT
Lagoon Nebula
MESSIER 8 · NGC 6523Bortle 3 (SQM 21.6)

Lagoon Nebula

Sagittarius

H II Region Emission · 4,100 Light Years

Rig Optics:530mm f/5 Quadruplet
Integration:4h 10m (50 × 300s)
Filter Prescription:Antlia 3nm Dual Pro
EXPLORE EPHEMERIS & TRANSIT
Pinwheel Galaxy
MESSIER 101 · NGC 5457Bortle 2 (SQM 21.9)

Pinwheel Galaxy

Ursa Major

Face-on Spiral Galaxy · 20.9 Million ly

Rig Optics:750mm f/5 Astrograph
Integration:7h 15m (87 × 300s)
Filter Prescription:L-RGB + High-Res Ha Blend
EXPLORE EPHEMERIS & TRANSIT
B

y 9 PM, the forecast you checked at breakfast is already lying to you. You drove eighty miles to a dark site — is that thin haze or high cirrus killing the OIII signal? Is the moon clearing the ridge at midnight or 2 AM? The spreadsheet you swore you’d maintain went stale three outings back, so you fumble with your phone in the freezing dark, and the fumbling eats the night.

Planning a clean imaging session is real work. It just doesn’t have to be yours. Reverie Dawn replaces guess-work with closed-form celestial mathematics and 3-layer atmospheric models.

MEMBERSHIP TIERS

Transparent, honest pricing for astronomers.

Choose the plan that matches your astrophotography setup. Cancel or upgrade anytime in one click.

ESSENTIALCancel anytime

Starter

$3/ month

Complete ephemeris and atmospheric cloud stratification for single-rig astrophotographers.

  • Full Messier Deep-Sky Catalogue (All 110 Targets)
  • MET Norway 3-Layer Atmospheric Clouds (Low, Mid, High)
  • Interactive Sensor Framing Rotator (0°–360°)
  • Closed-Form Deterministic Keplerian Ephemeris
  • Scotopic 650nm Dark-Adaptation Red Mode
POPULARCancel anytime

Orbit

$10/ month

Live observatory telemetry feeds, seeing forecasts, and WebSerial mount integration.

  • Everything in Starter plan
  • Live Seeing (arcsec) & SQM Sky Darkness Feeds
  • WebSerial Direct Mount Slewing Automation
  • Automated Multi-Target Transit Scheduling Queue
  • Lens Condensation & Dew Point Threshold Alarms
  • Smart Rig Presets (Seestar, RedCat, Dwarf II, SCT)
PRO OBSERVATORYCancel anytime

Cosmos

$25/ month

Multi-observatory synchronization, remote robotics, and automated RAW FITS telemetry streaming.

  • Everything in Orbit plan
  • Multi-Observatory Multi-Rig Simultaneous Sync
  • RAW FITS Telemetry Ingestion & Real-Time SNR Stacking
  • Priority Robotic Slewing Execution
  • Custom Location Horizon Panorama Calibrations
  • Dedicated VIP Observatory Engineering Support

Stripe secure encrypted payments · 7-day money-back guarantee · Zero ads & zero tracking

“I built this because packing four cases of heavy glass into a trunk only to discover high cirrus or the moon washing out the nebula is heartbreaking. Reverie Dawn tells you the truth about tonight before you turn the ignition.”
— An Astrophotographer Who Needed It First

Your next clear night is waiting.

Check tonight’s ephemeris, clouds, and visibility in your first session.