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Deep sky EAA session under near full moon 15th April


PatG
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Hi Folks

Had a reasonable session last night - in the main, decided to stay with some well known / brighter objects as the full moon was washing out the captures, limiting length of exposures etc and also had some challenges / frustrations with alignment and some niggly dust bunnies to boot. Notwithstanding that an acceptable haul for a couple of hours.

Pat

ngc4565_2022.4.15_23_36_48.png.5c2bb315e848b5d1c7d0efb419a2a92a.png

 

 m3_2022.4.15_23_19_14.png.a48ae4bc18a256983f700cd02f0e5a03.png

m51_2022.4.15_23_06_10.png.103e9e042d252c0373459bf5caa0790d.pngm63_2022.4.15_23_13_44.png.d10bb89c0848ffd2dd2d049f193486a9.pngm81_2022.4.15_22_57_51.png.1607a5e2c0f85178965a3757b6233288.pngm82_2022.4.15_22_40_43.png.490b9bd7172df58f76ecbb6d45771ea9.pngm101_2022.4.15_22_29_05.png.4b2425110c6bab1870c27351830b40ba.pngngc3753.hickson.57_2022.4.15_22_20_33.png.54ddb926369238139994cdc096217953.pngngc4147_2022.4.15_21_41_05.png.94e0d40642996e2e996b794b672cdf47.pngngc4298_2022.4.15_21_51_48.png.f6953926a679cc6b3b5263a1579353ef.pngm13_2022.4.15_23_27_38.png.ca2fe667cff3df69de811efe4964f083.png

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Newbie Beginner here.  Learning every day in an attempt to make wise decisions before wading in.

Is it the moonlight that causes the images - especially NGC 4298 - 4147 - 3753 to have the cloud like center ?

I love seeing examples of those dim galaxies.

Thank You

 

 

 

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1 hour ago, OregonSky said:

Newbie Beginner here.  Learning every day in an attempt to make wise decisions before wading in.

Is it the moonlight that causes the images - especially NGC 4298 - 4147 - 3753 to have the cloud like center ?

I love seeing examples of those dim galaxies.

Thank You

 

 

 

Hi and welcome,

                                 The op is not using flats, which causes the 'bright circle' ( vignetting ) some stacking software like sharpcap allow you to add a master flat and dark before hand which will result in a more evenly illuminated image and eliminate the dust spots and hot pixels for the most part.  I am sure the op and others will weigh in but I hope this explains a little :) 

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