Dear All Here's something I haven't imaged since the film days - part of the faint emission nebula in Scorpius, IC 4628. As usual, it's under "recent images"...
Steve Crouch
stevec@...
Jul 2, 2002 12:12 pm
1048
Hey everyone, I haven't heard from many of you about the dinner and it's really a great night that you don't want to miss !! The food is good, "Yamba Club"...
Kim Rawlings
kim@...
Jul 3, 2002 4:38 am
1049
Brian Crook has come across a great book (electronic version - 155 pages, 2 MB) called "An Introduction to Astronomical Photometry using CCDs" by W. ...
J & P Howard
jphoward@...
Jul 3, 2002 5:42 am
1050
**************************************************************** IMPORTANT The information transmitted is for the use of the intended recipient only and may...
Morland, John
John.Morland@...
Jul 3, 2002 11:39 pm
1051
Help. Some time back a site was posted on the list giving smog and air pollution images (ir) taken over Australia. Has s/one still got this? I would like to...
Steve Johnston
stevekj@...
Jul 7, 2002 10:38 am
1052
Steve, I think you mean the message posted by Jim Fenner on 22/4/2002: http://earthobservatory.nasa.gov/Study/Pollution/pollution_3.html and scroll downwards. ...
Albert Brakel
abrakel@...
Jul 8, 2002 2:49 pm
1053
Jim Fenner made some mention of pointing problems (among others) with telescopes. So I thought I would fill in the time of the long grey cloud by posting some...
Steve Johnston
stevekj@...
Jul 9, 2002 12:58 pm
1054
Opps! No such thing as a cheap micrometer, substitute vernier calliper. Declination scales can be a pain; most are a "Rough As Guts." arrangement that measure...
Steve Johnston
stevekj@...
Jul 10, 2002 11:15 am
1055
For a fun-filled social event, you can't beat journal folding at the Mt Stromlo tearoom. Starts 8 p.m. Fancy dress optional. Steal a march on your friends and...
J & P Howard
jphoward@...
Jul 11, 2002 8:33 am
1056
Hi EVERYONE ! This is my last call for names for the dinner - you know you don't have to pay up front as long as you pay on the night (however, the Society is...
Kim Rawlings
kim@...
Jul 12, 2002 6:48 am
1057
The Deep Sky Night for July is scheduled for Denver's tomorrow night (Saturday 13th). Dress warmly. With Sagittarius overhead, there's so much to see. John H...
J & P Howard
jphoward@...
Jul 13, 2002 3:04 am
1058
A lady in Farrer has rung asking if anyone would like to give her husband some advice on setting up his telescope. Clear nights and a nice moon this week look...
J & P Howard
jphoward@...
Jul 15, 2002 12:50 pm
1059
Part three point a scope at the South celestial pole. OK! So we did all the other bits and now we want a simple way to get our scope to point south and track...
Steve Johnston
stevekj@...
Jul 16, 2002 2:04 pm
1060
... Keep 'em coming, Steve. Are these extracts from your new book? Sidonio and Horvath have just done a course on orthoganalising and tweaking fork mounts. It...
J & P Howard
jphoward@...
Jul 17, 2002 11:59 pm
1061
Hi John. Yes some of it is from the "book" I am revising it and I am still getting pictures and diagrams together for it. My new plan is to use Adobe Acrobat...
Steve Johnston
stevekj@...
Jul 18, 2002 2:14 pm
1062
... I suppose this means that you have to do some drastic adjustment to the base/fork arm attachment if one arm is longer than the other? Sid's new beast...
J & P Howard
jphoward@...
Jul 19, 2002 2:11 am
1063
John's info has sent ripples through the Celestron world. I can only speak with reference to my C8, which was bought at the time of Halley's comet return, and...
Steve Johnston
stevekj@...
Jul 19, 2002 1:59 pm
1064
I have given the reported problem some more thought and I can only conclude that the scope with one short fork arm must have been a Meade. This is the only...
Steve Johnston
stevekj@...
Jul 20, 2002 7:40 am
1065
Balance: This will require a diagram or two they will be small jpegs if you want them email me and I will send them. Tube mount equatorials are often difficult...
Steve Johnston
stevekj@...
Jul 20, 2002 2:19 pm
1066
... When I got home from the dinner the other night I built a slug-proof moat in the backyard so I would have somewhere to put cans of VB (I suppose a table ...
J & P Howard
jphoward@...
Jul 21, 2002 2:21 am
1067
... My comment about the short arms: if one arm is 0.5 mm longer than the other, or if the mounting holes or bearings are misplaced by 0.25mm, you won't be ...
J & P Howard
jphoward@...
Jul 21, 2002 2:22 am
1068
... Even worse: you could miss the discovery of an unknown astronomical phenomenom. -- Mike Dower "Quoth the Raven, 'Nevermore'." Poe ...
Mike Dower
vk1eng@...
Jul 21, 2002 3:48 am
1069
... must also remember that any setting circles are at best rough guides. Most only read in degrees, most have pointers that you could knit with and have built...
Steve Johnston
stevekj@...
Jul 21, 2002 1:20 pm
1070
Sorry about the cross and pointers thing but I wrote that early in the evening but when I went to bed the other night the pointers were on the right side of...
Steve Johnston
stevekj@...
Jul 21, 2002 2:20 pm
1071
Good thing you guys have finally noticed the circle made by Cross and Pointers around the SCP (during the night, during the year). Orthogonal mounts? - how...
Ross Gould
rgould@...
Jul 22, 2002 1:36 am
1072
... Pointers ... You are kidding! in circles I'll be... ... I have seen some supper specs.. and you are right money does talk. ... group ... This very good...
Steve Johnston
stevekj@...
Jul 22, 2002 10:41 am
1073
Once again it's cloudy so here are my thoughts on balance for fork mounts. Ultimate balance means that the scope can be positioned at any angle and stay there...
Steve Johnston
stevekj@...
Jul 22, 2002 12:14 pm
1074
If you haven't see an asteroid moving in "real time" this will be a good opportunity. ... Subject: AstroAlert: AUGUST'S FLYBY OF 2002 NY40 Date: Mon, 22 Jul...
Another cloudy night and a fullish moon. Vibration: The standard test is to use a medium to high power eyepiece, and give the scope a good thwack! with an...
