Hemisphere:  Northern  ·  Contains:  M 65  ·  M 66  ·  NGC 3623  ·  NGC 3627  ·  NGC 3628
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Leo Triplet (M65, M66 & NGC 3628), 


            Mike Oates
Leo Triplet (M65, M66 & NGC 3628)
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Leo Triplet (M65, M66 & NGC 3628)

Technical card

Imaging telescopes or lenses: Takahashi FSQ-106 ED

Imaging cameras: Starlight Xpress SX-814 Trius Monochrome CCD

Mounts: Sky-Watcher EZ-EQ6 GT

Guiding cameras: Starlight-XPress Lodestar Autoguider

Software: Sequence Generator Pro  ·  Photoshop CS6  ·  PIXINSIGHT 1.8

Filters: Red  ·  Green  ·  Blue

Accessory: Lakeside Astro Motor Focus System  ·  Starlight Xpress SX 'Maxi wheel'  ·  Starlight Instruments FTF3545B-A Focuser

Dates:Feb. 4, 2019

Blue: 30x300" bin 1x1
Green: 30x300" bin 1x1
Red: 28x300" bin 1x1

Integration: 7.3 hours

Avg. Moon age: 29.20 days

Avg. Moon phase: 0.13%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 18.60

Basic astrometry details

Astrometry.net job: 2518466

RA center: 11h 20' 41"

DEC center: +13° 16' 15"

Pixel scale: 1.437 arcsec/pixel

Orientation: 0.023 degrees

Field radius: 0.892 degrees

Resolution: 3390x2914

Locations: The Hills Observatory, Manchester, United Kingdom

Data source: Backyard


I can just about make out the tidal tail from NGC 3628 if I stretch the image more. And as you can see from the framing, I had hoped to include the tail in the image. But more subs are needed, if I get the chance I aim to get more data and update this image.

Imaged over 3 nights from Jan 27 2019 to Feb 4 2019



Mike Oates
License: None (All rights reserved)

Sky plot

Sky plot


Leo Triplet (M65, M66 & NGC 3628), 


            Mike Oates