Celestial hemisphere:  Northern  ·  Constellation: Leo (Leo)  ·  Contains:  IC 2708  ·  Leo Triplet  ·  M 65  ·  M 66  ·  NGC 3623  ·  NGC 3627  ·  NGC 3628
Leo Triplet, Minos Kritikos
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Leo Triplet

Leo Triplet, Minos Kritikos
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Leo Triplet

Equipment

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Acquisition details

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Description

Target: Leo Triplet, a trio (M65, M66 & NGC3628) of small spiral galaxies ~35 million light years away in the constellation Leo.

Acquired on 30/12/2017 in Sia, Cyprus, Bortle Scale 5 and processed on 10/05/2018 in Ronkonkoma, NY, USA.

Equatorial Mount: Celestron Advanced VX + Skyportal WiFi + NexRemote 1.7.3.

Telescope: Skywatcher Esprit Triplet Apochromat ø80mm fl:400mm f/5 + dedicated Field Flattener with Sky's The Limit 2" UV/IR filter.

Camera: Qhyccd 183C sensor with AR/AR coatings.

Sensor resolution: 5544x3684 / 20 Megapixels (cropped to 2807x2457).

Image scale resolution: 1.24" per pixel. Field of View 0.96° x 0.84°.

Capture details: 48 x 30s exposures - 1440s / 24 minutes stack integration. Gain: 36 / 67%. Offset: 36. Temperature: -20°C. Binning: 1x1. Colour space: RAW16. Calibration: Darks: None. Lights: None. Bias: None.

Filter Wheel: QHYCFW2-S 6x1.25" set at Optolong L-PRO.

Guiding: Off.

Software: Planetarium control with Cartes du Ciel 4.1 through ASCOM 6.3. Data acquired in SharpCap 3.1. Stacked in DSS 4.1.1.,16-bit file post-processed in Pixinsight 1.8 & Photoshop CC 2018.

Full resolution image: http://nova.astrometry.net/image/4712111

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Leo Triplet, Minos Kritikos

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