M33 - The Triangulum Galaxy

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Also known as NGC 598, this spiral galaxy with bright knots is found in the constellation Triangulum. It has a magnitude of 5.7 and a size of 64.0 x 35.0 arc-minutes. This is like two full moons side be side on the sky.

This RGB data was taken remotely from Dark Sky New Mexico with a 106mm f/5 Takahashi refractor and an ASI2600 camera. Four nights were used to collect more than 13 hours of exposure: 10/17/2022, 10/18/2022, 10/19/2022 and 10/25/2022.

Filter

 Exposure Count Binning
Red 285 min 57 x 5 min 1x1
Green 270 min 54 x 5 min 1x1
Blue 270 min 54 x 5 min 1x1

Total exposure time: 13 hrs, 45 min

All processing was in Pixinsight.

Previous attempt taken at the 2001 Oregon Star Party.

12" LX200 AO7 and SBIG ST8E at f/6.3.  August 18, 2001 Oregon Star Party.

Filter Exposure Count Binning
(none) 8 min 8 x 1 min 2x2

A touch of DDP was applied.

Previous attempt taken at the 1997 Oregon Star Party:

A 1 minute exposure taken with the 12" LX200 and 416XT at f/3.3.