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hello Wikipedia I added a description of the Hale Telescope, partly copied from our website, with permission. Andrew Pickles Associate Director Operations, Caltech Optical Observatories pick@caltech.edu
Forty plus years ago I read the educational comic book about the Palomar Observatory and the Hale Telescope. They told about the first attempt at making the mirror, which was the biggest piece of glass Corning had ever made. The heat of the big pot of glass was so hot that the ceiling was damaged and two bricks fell into the mix. A friend of mine saw this piece of glass in Corning about 15 years ago, and she said it looks perfectly clear, but the astronomers rejected it, so a second glass blank was made and shipped to California. This should be in the article. Randall Bart Talk 00:36, 7 April 2009 (UTC)
85.24.143.128 ( talk) 15:23, 6 January 2010 (UTC) hmm..."2 millionths of an inch", isn't that 50 nm? [Please remove this comment after correction]
I remember reading about 35 years ago that during transport of the mirror by rail it was protected by a bullet-proof case. Upon arrival near the observatory they found dozens of bullet holes in the case! Interesting material but probably not significant enough to place in the article. If someone thinks it might be deserving of inclusion then comment here and I will look up the documentation. Linktex ( talk) 19:21, 9 January 2014 (UTC)
Please could somebody add information about important discoveries that have been made primarily with this telescope? Thank you.— RJH ( talk) 16:35, 8 October 2009 (UTC)
Consolidated material about the mirror into section and expanded [2]. Deleted the second paragraph since it is wrong about the 200 inch being the 2 largest single mirror, its about the 8th largest according to List of largest optical reflecting telescopes. The rest of the paragraph is unref'ed and more overall descriptive of large mirrors in general than about the 200 inch. It could be added to Reflecting telescope or some other article dealing with large mirrors. Fountains of Bryn Mawr ( talk) 17:10, 23 October 2009 (UTC)
The source give the first light date as January 26, 1949, 10:06 pm Pacific Time. Wikidata gives it as 26 January 1949. All dates on Wikidata are Universal Time, according to their data model. So the first light of the Hale telescope was January 27, 1949, 6:06 am Universal Time, and the date in Wikidata is wrong. Jc3s5h ( talk) 00:14, 18 June 2017 (UTC)
It should be said why the star itself is not in the photograph. — Preceding unsigned comment added by 109.153.143.86 ( talk) 14:54, 24 August 2017 (UTC)
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This section, as of February 2022, appears to have two problems. It's missing most of the major discoveries (see this list from the builders of Hale) while containing an assortment of references to relatively minor discoveries. I think this should be cleaned up. The paper THE FIRST 50 YEARS AT PALOMAR: 1949–1999 The Early Years of Stellar Evolution, Cosmology, and High-Energy Astrophysics would form an excellent basis for discoveries up to 1999. LouScheffer ( talk) 13:32, 12 February 2022 (UTC)
A fact from this article was featured on Wikipedia's Main Page in the On this day section on January 26, 2013, January 26, 2019, and January 26, 2024. |
This article is rated C-class on Wikipedia's
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hello Wikipedia I added a description of the Hale Telescope, partly copied from our website, with permission. Andrew Pickles Associate Director Operations, Caltech Optical Observatories pick@caltech.edu
Forty plus years ago I read the educational comic book about the Palomar Observatory and the Hale Telescope. They told about the first attempt at making the mirror, which was the biggest piece of glass Corning had ever made. The heat of the big pot of glass was so hot that the ceiling was damaged and two bricks fell into the mix. A friend of mine saw this piece of glass in Corning about 15 years ago, and she said it looks perfectly clear, but the astronomers rejected it, so a second glass blank was made and shipped to California. This should be in the article. Randall Bart Talk 00:36, 7 April 2009 (UTC)
85.24.143.128 ( talk) 15:23, 6 January 2010 (UTC) hmm..."2 millionths of an inch", isn't that 50 nm? [Please remove this comment after correction]
I remember reading about 35 years ago that during transport of the mirror by rail it was protected by a bullet-proof case. Upon arrival near the observatory they found dozens of bullet holes in the case! Interesting material but probably not significant enough to place in the article. If someone thinks it might be deserving of inclusion then comment here and I will look up the documentation. Linktex ( talk) 19:21, 9 January 2014 (UTC)
Please could somebody add information about important discoveries that have been made primarily with this telescope? Thank you.— RJH ( talk) 16:35, 8 October 2009 (UTC)
Consolidated material about the mirror into section and expanded [2]. Deleted the second paragraph since it is wrong about the 200 inch being the 2 largest single mirror, its about the 8th largest according to List of largest optical reflecting telescopes. The rest of the paragraph is unref'ed and more overall descriptive of large mirrors in general than about the 200 inch. It could be added to Reflecting telescope or some other article dealing with large mirrors. Fountains of Bryn Mawr ( talk) 17:10, 23 October 2009 (UTC)
The source give the first light date as January 26, 1949, 10:06 pm Pacific Time. Wikidata gives it as 26 January 1949. All dates on Wikidata are Universal Time, according to their data model. So the first light of the Hale telescope was January 27, 1949, 6:06 am Universal Time, and the date in Wikidata is wrong. Jc3s5h ( talk) 00:14, 18 June 2017 (UTC)
It should be said why the star itself is not in the photograph. — Preceding unsigned comment added by 109.153.143.86 ( talk) 14:54, 24 August 2017 (UTC)
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Cheers.— InternetArchiveBot ( Report bug) 01:02, 23 January 2018 (UTC)
This section, as of February 2022, appears to have two problems. It's missing most of the major discoveries (see this list from the builders of Hale) while containing an assortment of references to relatively minor discoveries. I think this should be cleaned up. The paper THE FIRST 50 YEARS AT PALOMAR: 1949–1999 The Early Years of Stellar Evolution, Cosmology, and High-Energy Astrophysics would form an excellent basis for discoveries up to 1999. LouScheffer ( talk) 13:32, 12 February 2022 (UTC)