Observation by Karen Smith: Lo Tr5 In Comae Berenices Planetary Nebu...

Uploaded by

Karen Smith

Observer

Karen Smith

Observed

2025 Apr 06 - 23:51

Uploaded

2025 Jun 01 - 14:32

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Constellation

Coma Berenices

Field centre

RA: 12^h55^m
Dec: +25°53'
Position angle: +136°27'

Field size

0°23' × 0°16'

Equipment

Meade 8" LX90 SCT telescope
ZWO ASI2600MC Pro camera
ZWO AM5n mount
ZWO OAG with ZWO ASI120mm mini for guiding
ZWO ASIAIR Plus
Optolong L-eXtreme filter

Exposure

64 x 240 second exposures

Location

Midlands, United Kingdom

Target name

Lo Tr5

Title

Lo Tr5 In Comae Berenices Planetary Nebula

About this image

I wanted to see if it was possible for my telescope to capture this faint planetary nebula. 64 x 240 second exposures were taken from my back garden using the Optolong L-eXtreme filter. I could not see any sign of the nebula in the individual frames, so I just hoped I was imaging the correct location! I managed to process the stacked image in PixInsight and after many stretches using GHS, I was able to see the faint nebula, although only just! I initially used GraXpert to remove the background gradient, however, I realised this actually removed the majority of the Nebula! Therefore no background extraction was performed until after I had stretched the image. Although I had to over process this image in order to see the faint nebula, I noticed that is was the Deep Sky Section's May 'Object of Interest'. So I decided to upload it despite the poor quality. :)

Files associated with this observation

Lo Tr5 IN Comae Berenices.jpg (2.2 MB)

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Dominic Ford

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