Get grayscale image at a sky position

Get grayscale image at a sky position

Usage

ps1_image_gray(
  ra,
  dec,
  size = 240,
  output_size = NULL,
  filter = "g",
  format = "jpg"
)

Arguments

ra

ra position in degrees

dec

dec position in degrees

size

extracted image size in pixels (0.25 arcsec/pixel)

output_size

output (display) image size in pixels (default = size). output_size has no effect for fits format images.

filter

string with filter to extract (one of grizy)

format

data format (options are "jpg", "png")

Value

the image

Examples

if (FALSE) {
ps1_image_gray(ra = 83.633210, dec = 22.014460, size = 1280, filter = "i")
}