Needle Galaxy, Sombrero Galaxy
Posted: 18 April 2021
Open: Saturday, 17 April 2021, 1841 MST Temperature: 80°F |
Session: 1624 Conditions: Clear, breezy |
Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
2" 14mm 100° eyepiece
Camera:
iPhone 11 Pro Max
D850 DSLR
After opening the observatory I relaxed on the observatory patio bench.
1856 MST: sunset.
1915 MST: back inside the observatory. Calm now.
1916 MST: LX600 ON, StarLock OFF, High Precision OFF.
Viewed the Moon, 102X
Took this handheld iPhone 11 Pro Max photo of the Moon, afocal 102X, using NightCap Camera (ISO 32, 1/350sec, 1X lens).
Viewed the Moon, 174X. Awesome views using the Explore Scientific 2" 14mm 100° eyepiece.
Took these handheld iPhone 11 Pro Max photos of the Moon, afocal 174X, using NightCap Camera (ISO 250, 1/120sec and 1/390sec, 1X lens).
Then did more lunar observing, 174X.
1930 MST: slewed to NGC4565 (Needle Galaxy). It was not yet visible in the twilight sky.
Prepared the D850 DSLR for prime focus imaging using the Explore Scientific 2" UHC filter.
1940-2000 MST: relaxed on the bench while waiting for the sky to get darker.
2001 MST: viewed NGC4565, 102X and 174X.
Mounted the D850 DSLR at prime focus + UHC filter, focused on the star Arcturus, and locked the 12" primary mirror.
Slewed to NGC4565.
2012 MST: StarLock ON.
After doing framing test images of each object, took six StarLock autoguided, 5-minutes, ISO 12800, exposures of each galaxy and stacked the images (effective exposure 30 minutes).
NGC4565 (Needle Galaxy) and NGC4562
M104 (Sombrero Galaxy, cropped)
2132 MST: StarLock OFF.
Viewed M104 (Sombrero Galaxy).
2144 MST: LX600 OFF.
Close: Saturday, 17 April 2021, 2156 MST Temperature: 57°F |
Session Length: 3h 15m Conditions: Clear |
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