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comment by user-inactivated
user-inactivated  ·  3210 days ago  ·  link  ·    ·  parent  ·  post: Pubski: April 13, 2016

How soon will you show us Andromeda?





user-inactivated  ·  3210 days ago  ·  link  ·  

I don't have the equipment for 1. something that big and 2. something that faint.

Andromeda is 6 full moons wide and three tall, and significantly fainter than anything my stuff can grab.

kleinbl00  ·  3210 days ago  ·  link  ·  

big fuckin' dob

big fuckin' dob

big fuckin' dob

big fuckin' dob

big fuckin' dob

big fuckin' dob

DOOO EEEEET

(and then fit it in your Subaru)

I'll say this - M31 is the shit through a 21" dob at 10,000 feet in dark sky New Mexico. But the care and feeding of a critter like that is no joke.

user-inactivated  ·  3210 days ago  ·  link  ·  

Ah, now we get to talk my talk! Taking a picture like M31 does not require a big telescope, in fact that can end up hurting you. The one that I linked was from an 8" SCT and a modified Cannon Camera with the IR filter removed. What makes these images so amazing is time. The mount the guy used in that one picture cost more than the scope and camera combined. You get kick ass detail in a photo not with aperture like you need to do visual stuff, but by holding the scope on the target with minimal drift over 20-30 minutes per frame. I have an 80mm and a mount that I can start to learn with, but I am saving for a better camera so I can get some detail.

The moon and planets are so bright compared to the other targets out there that you can use 10-30 millisecond exposures and get detail like the above. For M31, you need minutes per exposure and with a poor mount you end up with star trails instead of pretty.

    big fuckin' dob

The goal is to treat myself with something very neat for my 50th. I have the savings set aside and almost am ready to start talking options and lead times. I can get a 25" Obsession with the motors and computer for about what I dropped on the car, and get this, IT WILL FIT IN THE SUBARU! That or I need to drop $1500 for a van, but at that point 1500 is an accessory anyway. The other option i have is a Teeter 20" which have better glass and for what I have been able to look through they look better at the eyepiece and allow more eyepiece options than the big Obsessions.

That 25" Obsession? It takes two hours to set it up from pull up to the field until you are ready to go hunting for what you want to look at. And yea, care and feeding of a scope like that can get pricey in time and money, but then again so do all our hobbies.

    I'll say this - M31 is the shit through a 21" dob at 10,000 feet in dark sky New Mexico. But the care and feeding of a critter like that is no joke.

I got one better: Globular Clusters. If you get the chance to look at M13, M15, M10, M12, M4 etc through something in the 20" range you will fall in love with the things. I've seen Palomar 8 With my 14" I had the star field in view and was in the exact right spot, but could not see it. With the 25" scope it was right there and very plainly visible.

kleinbl00  ·  3210 days ago  ·  link  ·  

C'mon now. Gigantic aperture cuts down on exposure time.

big fuckin' dob

big fuckin' dob

I have a picture of me with an Obsession 22 in... 1991.

user-inactivated  ·  3210 days ago  ·  link  ·  

I went to the Almost Heaven Star Party last year and got to look through a 32" Obsession. Two club members have the 22" F5 scopes. One guy has a 25" F4.5? The 22" are taller.

And here I am stuck with a 14" like a peasant.

kleinbl00  ·  3209 days ago  ·  link  ·  

'sokay. I gave my uncle my 10" coulter and he gave it away.

user-inactivated  ·  3209 days ago  ·  link  ·  

    'sokay. I gave my uncle my 10" coulter and he gave it away.

....

You wrote him out of your will, correct?

user-inactivated  ·  3210 days ago  ·  link  ·  

So, my dream is kaputt?

user-inactivated  ·  3210 days ago  ·  link  ·  
user-inactivated  ·  3210 days ago  ·  link  ·  

Wow. Looks fantastic.

My guess is that the smaller disk in the image is another galaxy. Are the brighter spots farther galaxies or are they just really bright stars?

user-inactivated  ·  3210 days ago  ·  link  ·  

The pinpoints of light in the image are stars in the Milky Way and are closer to us than M31, the Andromeda galaxy. The round smudge at about 11 o'clock, is a companion galaxy much like our Magenellic Clouds. M110 is the elongated smudge at the 5 o'clock position, which is a much bigger companion galaxy.

user-inactivated  ·  3210 days ago  ·  link  ·  

Co-o-ool. Thanks for letting me know!

nowaypablo  ·  3210 days ago  ·  link  ·  

I will badge for Andromeda

user-inactivated  ·  3210 days ago  ·  link  ·  

Now you are making me want to go drop $600 on a camera :)

elizabeth  ·  3210 days ago  ·  link  ·  

Anything for thme sweet hubski badges!