Message-ID: <C0F7A3B1-945D-4A74-8344-9670E2990A32@dcn.davis.ca.us>
Date: 2021-03-07T15:37:06Z
From: Jeff Newmiller
Subject: Package to generate moon phase - SR-SS
In-Reply-To: <52ae8c5f-5162-847f-8178-2dcc1eb5ffea@gmail.com>
Odd.. came right up for me. Perhaps you might find rseek.org easier to use?
On March 7, 2021 5:03:20 AM PST, Neotropical bat risk assessments and acoustic tools <neotropical.bats at gmail.com> wrote:
>Hi all
>
>I have not found a package by Googling, but assume there must be at
>least one out there.
>I need to generate/write sun rise-sun set times (civil twilight) and
>moon phase/illumination.
>
>I would like to add a start date and end date along with location
>coordinates and have a table generated like below.
>This is from a legacy program acquired some 30 years ago and is no
>longer available.? This can only generate 1 month at a time (subset
>below).? But for a year at a time both historical and for future dates
>and locations.
>
>For this legacy program I enter the date and select a location I have
>in
>a simple TXT location file location with time-zone and X-Y coordinates
>and it will generate a month at a time.? this can be dumped to the
>clipboard but not written as a TXT or delimited file.
>
>I am hoping there will be an elegant way to do this in R and have the
>results written to a file for import into an Access DB.
>Tnx for any suggestions? on package(s).
>
>Sample below.
>
> ??????????????????? Sun and Moon Data for March 2021
> ???????????????????????? 17.05?N? 88.57?W? 5hrW
> ????????????????????? Standard Time? Civil Twilight
>
> ??????????????????????????? Sun???????????????????????? Moon
> ????? Date??? Twi.? Rise? Transit? Set??? Twi.? Rise? Transit Set??? %
>
> ?? 3/1/2021? 06:50? 07:12? 13:07? 19:01? 19:23? 21:36? 02:52? 09:04 92
> ?? 3/2/2021? 06:50? 07:11? 13:06? 19:01? 19:23? 22:35? 03:43? 09:47 85
> ?? 3/3/2021? 06:49? 07:11? 13:06? 19:02? 19:23? 23:35? 04:35? 10:31 76
> ?? 3/4/2021? 06:48? 07:10? 13:06? 19:02? 19:24? *****? 05:28? 11:18 65
--
Sent from my phone. Please excuse my brevity.