NGC 457 The E.T. Cluster

Let's see your sketches!
Forum rules
"We love seeing your work and welcome any and all sketches on this forum, but please note whether your sketch is a through-the-eyepiece sketch or your rendition from an existing image / painting."
Post Reply
User avatar
mariosi Cyprus
Saturn Ambassador
Articles: 0
Offline
Posts: 346
Joined: Wed Oct 16, 2019 11:45 am
4
Location: Cyprus - Mammari
Status:
Offline

TSS Awards Badges

TSS Photo of the Day

NGC 457 The E.T. Cluster

#1

Post by mariosi »


NGC 457
Constellation Cassiopeia
Right ascension 01h 19m 32.6s
Declination +58° 17′ 27″
Distance 7.922 kly (2.429 kpc)
Apparent magnitude (V) 6.4
Apparent dimensions (V) 13.0′

NGC 457
(also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1787,and lies over 7,900 light years away from the Sun. It has an estimated age of 21 million years.The cluster is sometimes referred by amateur astronomers as the Owl Cluster, Kachina Doll Cluster,the ET Cluster (due to its resemblance to the movie character) or the "Skiing Cluster". Two bright stars, magnitude 5 Phi-1 Cassiopeiae and magnitude 7 Phi-2 Cassiopeiae can be imagined as eyes(Wikipedia).

DAY: Friday DATE: 7/10/16 TIME: 02:00
SCOPE: Dob Sky- Watcher 10px F.L.1200/f4.7
EYEPIECE: T/S 30mm plossl 2" F.O.V.68°
LOCATION: Mammari

Thanks for looking
Marios
NGC 457.jpg
User avatar
bladekeeper
Inter-Galactic Ambassador
Articles: 0
Offline
Posts: 3603
Joined: Thu Apr 25, 2019 2:39 am
4
Location: Lowell, Arkansas, US
Status:
Offline

TSS Awards Badges

TSS Photo of the Day

Re: NGC 457 The E.T. Cluster

#2

Post by bladekeeper »


One of my favorite open clusters! Nice sketch, Marios! :)
Bryan
Scopes: Apertura AD12 f/5; Celestron C6-R f/8; ES AR127 f/6.4; Stellarvue SV102T f/7; iOptron MC90 f/13.3; Orion ST80A f/5; ES ED80 f/6; Celestron Premium 80 f/11.4; Celestron C80 f/11.4; Unitron Model 142 f/16; Meade NG60 f/10
Mounts: Celestron AVX; Bresser EXOS-2; ES Twilight I; ES Twilight II; iOptron Cube-G; AZ3/wood tripod; Vixen Polaris
Binoculars: Pentax PCF WP II 10×50, Bresser Corvette 10×50, Bresser Hunter 16×50 and 8×40, Garrett Gemini 12×60 LW, Gordon 10×50, Apogee 20×100

Image
User avatar
Lady Fraktor Slovakia
Co-Administrator
Co-Administrator
Articles: 0
Offline
Posts: 9860
Joined: Mon Apr 29, 2019 9:14 pm
4
Location: Slovakia
Status:
Offline

Re: NGC 457 The E.T. Cluster

#3

Post by Lady Fraktor »


Well done Marios, a fine sketch :)
See Far Sticks: Antares Elita 103/1575, AOM FLT 105/1000, Bresser BV 127/1200, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, AXJ, AXD
Az/Alt: AYO Digi II/ Argo Navis, Stellarvue M2C/ Argo Navis
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Takahashi prism, TAL, Vixen flip mirror
Eyepieces: Antares to Zeiss
The only culture I have is from yogurt
My day was going well until... people
Image
User avatar
mariosi Cyprus
Saturn Ambassador
Articles: 0
Offline
Posts: 346
Joined: Wed Oct 16, 2019 11:45 am
4
Location: Cyprus - Mammari
Status:
Offline

TSS Awards Badges

TSS Photo of the Day

Re: NGC 457 The E.T. Cluster

#4

Post by mariosi »


Thank you!

Marios
User avatar
Thefatkitty Canada
Co-Administrator
Co-Administrator
Articles: 0
Online
Posts: 4133
Joined: Sat May 11, 2019 4:20 pm
4
Location: Ontario, Canada
Status:
Online

TSS Awards Badges

TSS Photo of the Day

Re: NGC 457 The E.T. Cluster

#5

Post by Thefatkitty »


This time I reminded myself it wasn't a photo... :lol: Once again Marios, well done!

All the best,
Mark

"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4 & AZ-EQ5 mounts.
Too much Towa glass/mirrors.

H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.

Oh yeah, and Solar Cycle 25 :D
User avatar
mariosi Cyprus
Saturn Ambassador
Articles: 0
Offline
Posts: 346
Joined: Wed Oct 16, 2019 11:45 am
4
Location: Cyprus - Mammari
Status:
Offline

TSS Awards Badges

TSS Photo of the Day

Re: NGC 457 The E.T. Cluster

#6

Post by mariosi »


Thank you Mark for the nice feedback!

Marios
User avatar
pakarinen United States of America
Inter-Galactic Ambassador
Articles: 0
Offline
Posts: 4013
Joined: Fri Jun 14, 2019 3:33 pm
4
Location: NE Illinois
Status:
Offline

TSS Awards Badges

Re: NGC 457 The E.T. Cluster

#7

Post by pakarinen »


First time I stumbled across the cluster, I at first only noticed the two bright stars. Then as I looked more closely I thought, "Hey, wait a minute..."

Excellent sketch!
=============================================================================
I drink tea, I read books, I look at stars when I'm not cursing clouds. It's what I do.
=============================================================================
AT50, AT72EDII, ST80, ST102; Scopetech Zero, AZ-GTi, AZ Pronto; Innorel RT90C, Oberwerk 5000; Orion Giantview 15x70s, Vortex 8x42s, Navy surplus 7x50s, Nikon 10x50s
User avatar
mariosi Cyprus
Saturn Ambassador
Articles: 0
Offline
Posts: 346
Joined: Wed Oct 16, 2019 11:45 am
4
Location: Cyprus - Mammari
Status:
Offline

TSS Awards Badges

TSS Photo of the Day

Re: NGC 457 The E.T. Cluster

#8

Post by mariosi »


Thank you very much!

Marios
Post Reply

Create an account or sign in to join the discussion

You need to be a member in order to post a reply

Create an account

Not a member? register to join our community
Members can start their own topics & subscribe to topics
It’s free and only takes a minute

Register

Sign in

Return to “Astronomy Sketching”