
M33 Triangulum Galaxy (Nigel Goodman)
070921 102ED 294C LProMax 391g 20of x33 (1 of 1)-DeNoiseAI-standard
M33 on a very dark, clear but humid night Great deal of trouble with guiding, possibly because of dew.
Only 33 stacked out of 76. 150s at 391 gain 20 offset -15C. 105ED, 294C and LProMax filter.

M33 (Pat Devine)
Edinburgh Bortle 7/8 zone, 11th Step 2021
Celestron RASA 8″, ZWO 183mc pro, Optolong l-pro filter, ZWO ZWO ASI Air Pro, Sky-Watcher HEQ5 Pro
36 X 60s and 22x 120s lights; with flats, darks and bias, Gain 122 at -10C. Processed in APP and Pixinsight (small crop to get rid of annoying gradient that resisted other attempt to process it away)

M33 or Triangulum Galaxy (Ian A Smith)
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 29 x 5 minute exposures (2 hour 25 minutes) at Gain 275, Offset 30 , 50 dark frames and 50 flat fields, 50 dark flat frames.
Processed in APP, Pixinsight, Topaz de-noise and Photoshop.
27th September 2021, a bit windy.

M33 tri-band (Mark Phillips)
Only a small window available to take this. Narrowband brings out the emission regions and clusters well I think.
250mm f4.8 Newtonian
QHY168C @-15°C
Altair Astro tri-band filter
14x300s subs, darks, flats, dark-flats
Captured in NINA
Processed in APP and Photoshop

M33 (Ian Smith)
Skywatcher 190MN, NEQ6 mount, Altair Tri-band filter, ASI294MC Pro at -20C. 11 x 5 minute exposures (55 minutes) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in APP, Pixinsight and Photoshop.
Imaged whilst waiting on the Cave nebula to pass the meridian
17:25 – 18:23 UTC, 5th December 2021.

M33 (Andrew Farrow)
05.12.21
ES127mm scope, Atik Infinity camera
30secs exp, 1440 secs total
Lightroom and Topaz