Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  M 52, NGC 7654, Bubble nebula, NGC 7635
Getting plate-solving status, please wait...
Bubble Nebula and M52 (version 1), 


Bubble Nebula and M52 (version 1)

Bubble Nebula and M52 (version 1)

Technical card

Imaging telescope or lens:Takahashi FSQ85

Imaging camera:QSI683wsg

Mount:Orion Atlas EQ-G + EQDIR

Guiding telescope or lens:Takahashi FSQ85

Guiding camera:Lodestar

Software:RegiStax 6.1 REGISTAX 6

Filter:Astrodon LRGB Tru-Balance E-series Gen II

Accessory:USB FOCUS USB_focus

Resolution: 1851x1790

Dates:Nov. 13, 2014

Astrodon LRGB Tru-Balance E-series Gen II: 15x300" -20C bin 1x1
Astrodon LRGB Tru-Balance E-series Gen II: 15x300" -20C bin 2x2

Integration: 2.5 hours

Avg. Moon age: 21.13 days

Avg. Moon phase: 60.77%

Bortle Dark-Sky Scale: 2.00 job: 416070

RA center: 350.431 degrees

DEC center: 61.317 degrees

Pixel scale: 2.475 arcsec/pixel

Orientation: 175.811 degrees

Field radius: 0.886 degrees


GC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star.
The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow.

Messier 52 (also known as M 52 or NGC 7654) is an open cluster in the Cassiopeia constellation.
Due to interstellar absorption of light, the distance to M 52 is uncertain, with estimates ranging between 3,000 and 7,000 light years. One study identified 193 probable members of the cluster, with the brightest member being magnitude 11.
Messier 52 is evaluated at about 35 million years old.

Image captured at Kissimmee Prairie State Park, Florida



License: Attribution Creative Commons

Sky plot

Sky plot


Bubble Nebula and M52 (version 1),