M42 Sketch Bortle 3
The Great Orion Nebula sketched under a Bortle 3 sky on 25th Jan 2025.
Seeing index: 3
Transparency: 2
Jet stream: Poor
Moon phase: 18%
'Star, star teach me how to shine, shine'
The Great Orion Nebula sketched under a Bortle 3 sky on 25th Jan 2025.
Seeing index: 3
Transparency: 2
Jet stream: Poor
Moon phase: 18%
Tonight was unexpectedly clear, although the seeing was average at best. M42 was just scraping above the houses begging to be sketched! The lack of Moon was a bonus and once the heat haze from the chimneys was no longer making the seeing even worse, I spent a fabulous hour observing Jupiter, the Pleiades, the Hyades and finishing with M42. The nebulosity was clearly visible from the outset in the fast Dobsonian and a 24mm eyepiece. With greater dark adaption the fainter nebula became visible and…
A live stream in Sharpcap. Click “Read More” below to watch.
Integration time (running total):
* OSC 13 X 120s (26m0s)
* OSC 11 X 30s (5m30s)
* OSC 11 X 10s (1m50s)
* Total: 33m20s
Integration time target
* Target: TBC hours
* Progress: TBC%
This is really just the start of a project which might run of of darkness and altitude this year and have to be finished next year! What is remarkable is the result from just a little over half an hour, made possible by the QHY268C camera and the power of BlurXterminator and…