Description

NGC 7662 is a relatively small planetary nebula in the constellation Andromeda.

It is also known as the Blue Snowball or the Snowball Nebula, due to its distinctive shape and color.

We currently have no accurate idea about the exact distance to this nebula. Measurements vary from 1.800 to 5.600 light years
The nebula has a faint blueish central (variable) star with a magnitude range of 12 to 16.

With an apparent magnitude of +8.6 it is one of the brightest examples of its type.

Previous/older images:

Image data

Object info
Name NGC 7662 – The Blue Snowball Nebula
Type Planetary nebula
Constellation Andromeda
Right ascension 23h 25m 54s
Declination +42° 32′ 06″
Distance 2.000 – 5.000 ly
Other designations Caldwell 22
Image info
Image date Oct. 14, 2017
Light frames 8x 4 min. RGB (each) unbinned, 10x 5 min. 7nm Ha unbinned (R & Luminance)
Total integration 2h 26m
Dark frames 20x
Flat frames none
Bias frames 20x
Software used SGPro, PHD2 Guiding, DeepSkyStacker, Registar, Photoshop CS6
Processing Focusing and image acquisition was done using Sequence Generator Pro.
All separate frames were calibrated, aligned and stacked in DeepSkyStacker.
Images were aligned in Registar prior to combining into RGB.
Photoshop CS6 was used for further processing.
Equipment info
Telescope Orion Optics SPX 10″ Newton
Corrector Televue 2″ Paracorr coma corrector (FL: 1.380mm f/5.43)
Mount Losmandy G-11 Gemini
Camera SBIG ST-8300M
Guide camera Astrolumina ALccd5-II (Mono)
Guide scope Vixen VMC110L f/9.4
Autoguide software PHD2 Guiding
Filters Baader 2″ 7nm Ha, Baader 2″ RGB + IDAS LPS-P2
Location Landgraaf, The Netherlands
Image comments

Reasonably good conditions. Hardly any processing applied to the image as this immediately shows as the details in the center of the nebula are lost very quickly.