Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 3  ·  NGC 5263  ·  NGC 5272
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M3 - 3 years ago..., Kurt Zeppetello
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M3 - 3 years ago...

Getting plate-solving status, please wait...
M3 - 3 years ago..., Kurt Zeppetello
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M3 - 3 years ago...

Equipment

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Acquisition details

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Description

I have begun to put together my Messier Catalog and at the suggestion of Gary Imm, I am attempting to even out the backgrounds. Well I came across one of my 1st astro-images, M3, where I took a whole 3:20 seconds of exposure. I was also testing out my new focuser as well. Not much else I remember from that night. Of course I will revisit this object as well.

M3 - Glubular Cluster (mag +6.2)

Location: My Driveway, Monroe, CT

Date/Time: 5/22/15 23:51 PM

Camera: Canon EOS Rebel T3i, Backyard EOS

Telescope: Orion ED80 80mm f/7.5 Apochromatic Refractor Telescope

Mount: Orion Sirius EQ-G GoTo Telescope Mount

Autoguiding: None

Focal Length: 600mm (lens)

f/6

Exposure: 1-20s, 1-30s, 1-60s, 1-90s (3min 20s)

ISO: 1600

Post Processing: DSS, Photoshop (flattened, set the black point)

Comments

Sky plot

Sky plot

Histogram

M3 - 3 years ago..., Kurt Zeppetello

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Imaged with APT