Gallery Index

NGC 7635

Bubble Nebula

A stellar wind shell in Cassiopeia

TypeNebula ConstellationCassiopeia SeasonAutumn PaletteNarrowband
Image Details

Capture summary

Catalog NGC 7635

Nebula in Cassiopeia

Exposure Ha, OIII, SII

Narrowband

Filters Narrowband

Ha, OIII, SII

Frame 2020

Autumn target / wide composition

Exposure Breakdown Ha, OIII, SII

Detailed filter totals have not been entered for this image yet.

Same target, different years.

Older revisions stay in the archive so you can see how the target changed with different equipment, processing, and experience.

A tiny blue shell floats inside a busy red nebular field, giving the image an immediate focal point.

Target Planner

Nebula in Cassiopeia; best planned for September through November from New Jersey.

Best season September through November

Autumn is a strong window for Cepheus, Cassiopeia, Andromeda, and late Cygnus fields.

Good from NJ Late summer through autumn evenings

Assumes a New Jersey backyard horizon and evening imaging.

Object type Nebula

Emission nebulae are good candidates for narrowband filters; reflection nebulae prefer darker skies.

Constellation Cassiopeia

NGC 7635 is listed here in Cassiopeia.

Moon tolerance Narrowband can tolerate some moonlight.

Current frame: Narrowband / Ha, OIII, SII.

Planning from Sewell, NJ

Calculating target altitude and moon context.

Check your location Open full planner

Use the full planner to enter a ZIP code, choose a date, and compare the target from your sky.

Planning values are approximate and update in your browser.

Planning site Sewell, NJ 39.7700, -75.1400
Current altitude ...

Based on the current time.

Target transit chart Compact altitude curve for this target over a full day. Target ...

Green marks usable dark-sky altitude.

Next transit ...

Next upper transit.

Rise / set ...

Approximate horizon crossing.

Moon now ...

Moon phase and altitude.