Astro-images - This page is still being worked on

All photos by Jeffrey W. Mirick

Specs for images taken with a camera and lens:
Camera: Panasonic lumix DC-S5 Full Frame Camera - 26MB
Lens: 70-200 mm, F2.8 lens
Temperature: Room temperature
Star Tracking: The camera was mounted on the
Sky-Watcher Star Adventure to track the stars across the sky.
Mount: The Sky Watcher (and camera) was mounted on a camera mount capable of holding the weight of the Star tracker, camera, and lens.
Stacked images: 80 to 120 images were stacked to reduce the noise using PixInsight.
Specs for taking images using a telescope:
Telescope: Orion 190 mm (7.5 inches) F5.6 Maksutov-Newtonian (Mak-Newt) Astrogrraph Telescope
Mount: Orion Atlas II, EQ-G Computerized Goto Mount
Camera: Orion cooled CMOS 26 MB G26 camera Temperature: Camera was cooled to 0 C
Filter: SkyGlow Broadband Filter - Light pollution filter




Galaxies

This is a composite image of a lunar eclipse and the Andromeda galaxy.
Both were taken with a 200 mm focal length camera lens.
This image illustrates the relatively sizes between the two objects in the night sky.



ObjectAbel 1656, Coma Cluster of galaxies
DateApril 17, 18 2025
ConstellationComa Berenices
DistanceThe mean distance is about 321 million ly
Magnitude11.5+
CommentsThere are over 1,000 galaxies in this cluster
Exposure87 subs at 2 minutes - total exposure: 2 hours 54 minutes





ObjectM51a, Whirlpool Galaxy
Date
ConstellationCanes Venatici
Distance31 Million Light Years
Magnitude8.4
CommentsA 600 mm focal length camera lens was used to capture this image.
Exposure51 subs at 20 seconds



ObjectM65, M66, NGC 3628, Leo Triplet
DateApril 2021
ConstellationLeo
Distance35 Million Light Years
Magnitude9.3, 8.9, 9.5
CommentsGain: 8000
Exposure190 subs at 20 seconds

Quasars

January 2023
Object3c48, Quasar
Date
ConstellationTriangulum
Distance3.9 billion light years
Magnitude16.5
Comments
Exposure11 subs at 5 minutes

ObjectTwin Quasars, QSO 0957+561 A/B, gravitational lensing
DateApril 2025
ConstellationUrsa Major
Distance8.8 Billion light years
Magnitude16.5 and 16.7
CommentsSingle quasar that appears as 2 due to gravitational lensing Discovered in 1979. 6 arcsecond separation
Exposure42 subs at 2 minutes, Total time: 1 hour, 24 minutes

NGC 3226 and NGC 3227, Arp 94
Distance: 50 Million Light Years


NGC 2444 and NGC 2445, Arp 143
Distance: 184 Million Light Years




CameraTelescope
Leo Galaxy Cluster of 3
The Leo Galaxies
M31, Andromeda Galaxy
M31, Andromeda Galaxy
M81 and M82: Camera, 200 mm lens
M81 and M82: Telescope
M51, Whirlpool Galaxy
Cluster of galaxies in Leo - M99 and M100