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© D Elijah
Credit Please credit D Elijah if you are using this image.

NGC 2371


spaceman_spiff

Date of image 02/11/2016

A small planetary nebula (NGC 2371) in Gemini. Processed using DSS. 

Hardware details: Camera: Canon 600D (astro modded). Telescope: SW Evostar 120 with Baader UHC-S filter. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 35 x 3min at ISO 800, Darks: 50 x 3min at ISO 800 (from dark library), Lights and darks separated by 15 sec intervals. Flats: 50 x 1/350s (taken from laptop monitor screen) at ISO 800, Bias: 50 x 1/4000 at ISO 800. 

The weather was excellent - no clouds during the whole night. I was able to image until tiredness got the better of me.

Processing was done in DSS, I increased the saturation by 30% and manually aligned the colours. I have just solved a problem of overcorrecting flats caused by the interval between flats being too short (1s), this lead to heat build up and possibly undischarged electrons on the camera's sensor. I increased the interval to 10s and the problem disappeared.

The nebula was quite small so I only stacked a crop of the frames and I then drizzled the image to bump up the pixels.

Credit

Please credit D Elijah if you are using this image.

Copyright

© D Elijah

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